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Finding the Fourth Proportional to 469,341.34, 647,360.57 and 453,716.93

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Solution

The fourth proportional to 469,341.34, 647,360.57 and 453,716.93 is: 625,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,341.34 : 647,360.57 = 453,716.93 : x
  2. Step 2: Convert to fraction form
    469,341.34/647,360.57 = 453,716.93/x
  3. Step 3: Cross multiply
    469,341.34x = 647,360.57 × 453,716.93
  4. Step 4: Simplify right side
    469,341.34x = 293,718,453,176.14
  5. Step 5: Solve for x
    x = 293,718,453,176.14/469,341.34
  6. Step 6: Final answer
    x = 625,809.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.